Advanced assay apparatus, assay aptitude by national certification and all assay people must take certificate.

先进的化验仪器、国家认可的化验资质，化验人员均持证上岗。

youdao

Advanced assay apparatus, assay aptitude by national certification and all assay people must take certificate.

先进的化验仪器、国家认可的化验资质，化验人员均持证上岗。

youdao